1. Not truly; not honestly; falsely; not in tune. False cadence, a cadence in which the hass rises a tone or semi-tone, instead of rising a fourth or falling a fifth False fire, a combustible, composition, sending forth a blue flame, used in vessels of war for making signals during the night; a fire kindled to deceive ships to their ruin. False membrane, a membrane formed on an inflamed part by the coagulation of the secreted fluid. False roof, the part between the ceiling of the upper floor and the rafters of a roof. See Fallacy.

2. Not true; not conformable to fact; unfounded; not according to the lawful standard; substituted for another; suppositious; counterfeit; not genuine; not solid or sound; not agreeable to rule or propriety; not fall; unfaithful; incenstant; treacherous; feigned; made or assumed for the purpose of deception.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• facee,
• falset,
• fauxe,
• feale,
• flase,
• fials,
• falsy,
• falsh,
• facese,
• alse,
• palse,
• ealse,
• fafsa,
• falus,
• feals,
• falure,
• falue,
• fals,
• famose,
• falsed

• Felysse,
• PHILOS,
• Phyliss,
• phallus,
• Phyllous,
• Fowls,
• foliose,
• FLAZ,
• Valleys,
• flus,
• Felizia,
• Filis,
• Fellahs,
• flays,
• Folious,
• Villose,
• PHLIS,
• be-fouls,
• fleecier,
• vails,
• floes,
• vellus,
• fills,
• viols,
• Flossey,
• FLOS,
• Feliza,
• VILSU,
• fuels,
• Phillis,
• Phylis,
• Phylicia,
• Filasse,
• FELS,
• fails,
• Faleece,
• follows,
• Philicia,
• un-veils,
• fleecy,
• Volusia,
• Fillis,
• Felice,
• VLS/CVD,
• Felecia,
• T-FLAS,
• Feliece,
• Fleiss,
• Violous,
• be-falls,
• Fleas,
• Falecia,
• flaws,
• Veilless,
• HVLS,
• Phylecia,
• fools,
• WVALS,
• falls,
• HVLHS,
• VOLS,
• files,
• Flawiusz,
• faulks,
• FLSY,
• flues,
• violas,
• FOLLS,
• Fellies,
• fales,
• VALS,
• re-veals,
• fellas,
• FLAS,
• VLSI,
• FALS,
• Villas,
• in-flows,
• Falser,
• VLSI/CAD,
• flossy,
• Fulahs,
• FLSA,
• VLS,
• Feliz,
• Felisa,
• LSI/VLSI,
• vowelize,
• flies,
• vials,
• Phyllys,
• SI/VLSI,
• FLS,
• fallacy,
• Feleicia,
• Fillies,
• fallis,
• fulls,
• phials,
• VELES,
• re-values,
• villus,
• flees,
• Phyllis,
• PHILLIES,
• Feliss,
• Philis,
• VL2SI,
• values,
• Fallows,
• Folios,
• Veloce,
• FOALLS,
• faulk,
• viewless,
• Voles,
• flows,
• pro-files,
• FOLCI,
• Foolahs,
• violaceae,
• floozie,
• PHLYZ,
• follies,
• re-fills,
• vales,
• VLJS,
• Flossie,
• PHILLS,
• FOLS,
• Fillys,
• mis-files,
• valise,
• Felizio,
• pholas,
• Phylliss,
• Phyllicia,
• FLCZ,
• falsie,
• Villous,
• pholis,
• fils,
• veils,
• pre-vails,
• felicia,
• PHILS,
• VELS,
• fleece,
• Felicio,
• Filicia,
• Felicie,
• Filose,
• floss,
• de-files,
• Falke,
• felis,
• vowelise,
• out-flows,
• FIILS,
• floozy,
• Phalicia,
• Fyllis,
• FLYEYS,
• de-values,
• FLES,
• Philys,
• flossier,
• feels,
• fellows,
• Flews,
• Volleys,
• Falicia,
• foils,
• Felise,
• foals,
• vowels,
• VALLES,
• fells,
• valse,
• VLSI/ULSI,
• Phelicia,
• fouls,
• VLLZZ,
• phalsa.

The adverb form of the word "false" is "falsely".

The adjective form of the word "false" is "false".

The plural form of the word "false" is "falses"

The singular form of the word "false" is "falsity"